Movement detection circuit for television signals

Details Movement detection circuit for television signals Movement detection circuit for television signals

H - Electricity

04

N

350/33

H04N 9/64 (2006.01)

Patent

CA 1251556

ABSTRACT OF THE DISCLOSURE Disclosed is a picture movement detection circuit for use for processing a color television signal, that is, a circuit for detecting temporal variations in chrominance signal level of a color tele- vision picture. A signal corresponding to the magnitude of an absolute value, an amplitude, or the like, of a difference or addition signal between frames or field of a modulated chrominance signal of a color television signal is obtained, and a low frequency component is extracted out of the thus obtained signal so that the extracted low frequency component is used as movement information of the picture.

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